Hewit [Hewit J.R. and Padovan, J. 'Decoupled feedback control of robot and manipulator arms', 3rd Symp. CISM-IFToMM, p. 251] proposes a different method which is … it uses accelerometers on the joints of the … applied force vector to obtain a measure of … by a line of a precomputed constant matrix … which conventional control can be applied.
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